290results about How to "Play the role of thermal insulation" patented technology

The invention relates to a waterborne heat-insulating flame-retardant multifunctional nano coating and a preparation method thereof. The coating consists of the following components in part by weight: 48 to 52 parts of waterborne resin and 30 to 50 parts of nano pigment fillers (nano titanium dioxide, nano titanium dioxide-coated hollow glass microspheres, nano titanium dioxide-coated hollow ceramic microspheres and nano antimony-doped tin dioxide (ATO) particles), size and auxiliary materials such as film-forming additive and coupling agent. The preparation method includes the steps that: the nano fillers and the size are first dipped into the waterborne resin, the auxiliary materials are then sequentially added and stirred, and thereby the heat-insulating flame-retardant multifunctional nano coating is obtained. The processing technique is simple, the component proportion is reasonable, and the prepared coating has the advantages of high heat resistance, high reflectivity, high radiative heat conductivity, certain fire resistance, high-efficient heat insulation, excellent mechanical and chemical properties, environment-friendliness, stain resistance, flame retardance and energy saving. The coating can be coated on outside facilities such as outer walls and building roofs.

The invention relates to double loop double pyrolysis incinerator and its using method. Its features are that drying apparatus is formed by horizontal rotary kiln drying device, steam separator, and fume reflux line; the feed port of the horizontal rotary kiln is connected with discharge port of the feeding device; its discharge port is connected with the feed port above secondary burning chamber. While running, part of high temperature fume of secondary burning chamber can enter the rotary kiln to process reverse drying preheat and pyrolysis for the garbage; cooled fume is inducted into the secondary burning chamber by secondary fan after dehydrating by steam separator. Compared with exiting technique, the invention has the advantages of continual heat transfer, fast gasification rate, full burning, processing domestic garbage without auxiliary fuel etc.

The invention belongs to the technical field of agriculture, and discloses a cultivation method for premature small watermelon. The method comprises the following steps of: (1) grafting and raising seedlings: the sowing time of stocks is the first ten days and the middle ten days of December, and scions are sowed in 7 to 12 days later than the stocks; (2) planting grafted seedlings, and performing heat insulation and temperature rise by adopting four-layer coverage of a big shed, a medium shed, a small shed, a mulching film and an electric heating wire; (3) controlling the temperature; (4) pruning with a double-vine or three-vine pruning method; (5) performing artificial pollination and leaving fruits: performing artificial pollination when the second female flower of the main vine and the first female flower of the side vine come out; and (6) harvesting. The harvesting time of the premature small watermelon cultivated by using the method is advanced to the middle ten days and the last ten days of April and advanced by 20 to 30 days compared with the conventional greenhouse cultivated watermelon, and the harvesting time is kept away from the plum rain season of the southern district, so that high yield and stable yield are ensured. Not only the market demand is met, but also the yield and the economic benefit are greatly improved.

A method for lifting crystal growth by induction heating in reducing atmosphere is characterized by placing a tungsten crucible or a molybdenum crucible on a hard graphite felt; wrapping a plurality of layers of soft graphite felt around the hard graphite felt and the crucible; sleeving the wrapped hard graphite felt and the crucible in a quartz cylinder; wholly putting the quartz cylinder in an induction coil inside a crystal-lifting furnace, especially on a tray at the bottom of hearth; charging materials to the crucible; arranging and covering a hard graphite felt insulation cover or a zirconia insulation cover above the crucible; closing the door of the furnace and carrying out vacuumization; injecting shielding gas till positive pressure is reached; carrying out crystal growth by using a conventional method; and carrying out anneal in the atmosphere of air, oxygen or other atmosphere after the crystal growth is finished. The method has the advantages of utilizing the graphite felt to provide the reducing atmosphere so as to be capable of adopting the low-cost tungsten crucible or molybdenum crucible and realize the growth of sapphire and lithium aluminate and other crystals with low cost, thus having better universality, requiring simple equipments and especially being suitable for production of large scale.

The invention provides a nanoparticle-modified silicon-acrylic composite exterior wall heat-insulating coating, and its raw materials include the following components in parts by weight: 50-60 parts of silicon-acrylic emulsion, 2-5 parts of hollow glass microspheres, and 8-parts of diatomaceous earth 15 parts, 5-10 parts of nano-silica, 6-10 parts of hollow ceramic microspheres, 3-6 parts of nanometer far-infrared ceramic powder, 5-10 parts of heat-reflecting and heat-insulating powder, 5-10 parts of mica powder, aluminum oxide 2-5 parts of powder, 5-10 parts of titanium dioxide, 0.1-0.3 parts of pH regulator, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of coalescent, 0.5-0.5 parts of thickener 0.8 parts, 1-3 parts of antifreeze, 0.1-0.3 parts of leveling agent, 0.1-0.3 parts of preservative, 20-50 parts of deionized water. The invention also provides its preparation method, the coating has good properties of nanoparticles, antibacterial properties, alkali resistance, scrub resistance, stain resistance and aging resistance, reflective heat insulation, environmental protection, aesthetics, outdoor weather resistance , Low thermal conductivity and other advantages.

The invention relates to a solar heat- reflective insulating varnish, belonging to coating technology field. When it is coated on the surface of glass, it can insulate heat and maintain glass transparency. The invention aslo provides the preparation method. The comprised raw material and proportion by weight are as follows: film forming matter 35-45, inorganic oxidant 10- 15, levelling agent 0.5- 1, defoaming agent 0.3- 0.5, silane coupling agent 1- 5, and mixing solvent 33.5- 53.2. The varnish is characterized by heat resistance, water resistance, acid and alkali resistance, high reflecting solar heat, good light transmission rate, low cost, energy- saving, and suitability to be used for building galss, car glass, solar house heating, incandescent lamp lighting and refrigerator glass. The preparation process and device is easy and simple and is suitable for industrial production.

A novel multifunctional heat preserving and insulating plaster adhesive has the components with the following weight content: cement 20-40%, silicon-aluminium glass hollow sphere material 15-35%, grinded high-calcium flyash 15-35%, water reducing agent 0.5-1.2%, air-entrainer 0.005-0.05%, modifier 1-5%, fiber 0.1-5%, and water-loss reducer 0.5-2%. In the adhesive the cement is common silicate 42.5 grade cement; the silicon-aluminum glass hollow sphere material has specific surface area 400-15000m<2>/kg, the sphere grain diameter is 0.5 mu m-60 mu m, and the content of silicon oxide is above 50%; the grained high-calcium flyash is obtained by grinding the common high-calcium flyash with the polarization grinder for 30min, the CaO content is above 18% and the fineness degree is 4000-6000m<2>/kg; the water reducing agent is alkali lignin water reducing agent; the fiber is the combination of one or a plurality of fibers in modified polypropylene fiber, alkali-resistant glass fiber, nylon fiber, animal and vegetable fibers; the air-entrainer is the colophony pyrolytic polymer series air-entrainer; and the modifier is cellulose or the derivative of the cellulose. The adhesion promoter is sodium group or potassium-group alta-mud.

The invention discloses a novel house capable of being fast disassembled and assembled and an assembling method thereof. The novel house comprises a wall. The lower portion of the wall is connected with ground ring beam angle iron. The upper portion of the wall is connected with top ring beam angle iron. One side of the top ring beam angle iron is connected with a flat roof. A waterproof layer is disposed on the flat roof. The upper portion of one side of the top ring beam angle iron is connected with a house frame. An inclined roof is disposed on the house frame. A waterproof layer covers the inclined roof. The wall, the flat roof and the inclined roof are formed by a plurality of wall module units which are connected in a threaded manner. The ground ring beam angle iron and the top ring beam angle iron are of an angle iron structure. The wall module units are connected with the ground ring beam angle iron and the top ring beam angle iron through threads. The wall module units are spliced to form a door opening and window openings. The wall module units above and below the door opening and the window openings are respectively connected with the wall module units on the outer sides of the door opening and the window openings through angle fixing angle iron in a threaded and matched manner. The novel house is convenient to assemble and disassemble, fast in construction and recyclable.

The invention provides a kind of nano-composite water-based metallic luster external wall reflective heat-insulating paint, and raw materials include the following components by weight: 50-60 parts of acrylic acid emulsion, 2-5 parts of glass hollow microspheres, 8-15 parts of diatomite, 5-10 parts of nano-titanium dioxide, 6-10 parts of ceramic hollow microspheres, 3-6 parts of nano-far-infrared ceramic powder, 5-10 parts of metallic luster pigment, 5-10 parts of mica powder, 1-5 parts of nano-silica, 5-10 parts of titanium dioxide, 2-5 parts of orientation agent, 0.1-0.3 parts of pH regulator, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of film-forming aid, thickener 0.5-0.8 parts of antifreeze, 1-3 parts of antifreeze, 0.1-0.3 parts of rheological agent, 0.1-0.3 parts of antiseptic and bactericide, 20-50 parts of deionized water. The invention also provides a preparation method thereof, and the coating has the advantages of good coating temperature change resistance, emission heat insulation, environmental protection, aesthetics, outdoor weather resistance, low thermal conductivity and the like.

The invention discloses an artificial lawn with an infrared reflecting function for greening a roof. The artificial lawn comprises simulated grasses, a grass base cloth and a rear adhesive layer, wherein the simulated grasses are uniformly tufted on the grass base cloth; the rear adhesive layer is coated on the back of the grass base cloth; and the simulated grasses have infrared reflecting coolmaster inorganic pigments which are 1 to 5% of the simulated grasses based on the mass. Through the adoption of the artificial lawn disclosed by the invention, the near infrared ray in the sunshine can be reflected, the surfaces of the simulated grasses can be prevented from being heated due to direct solar radiation and receiving blazing sun for quite a long time, and the effect of heat insulating is provided to the inside of a room.

The invention relates to epoxy expansion type fireproof coating enhanced by various carbon-based materials. The epoxy expansion type fireproof coating is prepared from a component A and a component Baccording to the weight ratio of 3 to 1, wherein the component A is prepared by taking epoxy resin as a film-forming matter, and adding a foaming flame-retarding system (composed of a carbon-forming catalyst, a carbon-forming agent and a foaming agent), a carbon-forming enhancer, a toughening agent, a graphene substance, expanded graphite, carbon fiber, pigment and filler and an auxiliary agent; the component B is composed of a curing agent, the auxiliary agent and the pigment and filler. According to the epoxy expansion type fireproof coating enhanced by various carbon-based materials, provided by the invention, the technical problems that a fireproof coating layer is easy to crack and fall off are solved; the epoxy expansion type fireproof coating is applicable to safety protection of occasions which easily have hydrocarbon fire disasters, such as tunnels, chemical plants and marine oil production platforms.

The invention provides a polyurethane-modified acrylate composite heat-insulating and energy-saving coating, and its raw materials include the following components by weight: 30-60 parts of polyurethane emulsion, 30-60 parts of acrylate emulsion, and 2-5 parts of glass hollow microspheres , 8-15 parts of diatom mud, 5-10 parts of nano-titanium dioxide, 6-10 parts of heat-reflecting insulation powder, 5-10 parts of alumina powder, 3-6 parts of mica powder, 3-8 parts of titanium dioxide, pH adjustment 0.3-0.9 parts of agent, 0.5-1.0 parts of dispersant, 0.2-0.5 parts of defoamer, 1.0-2.5 parts of coalescent, 0.5-0.8 parts of thickener, 0.1-0.3 parts of wetting agent, 30 parts of deionized water ‑50 servings. The invention also provides its preparation method. The coating has high wear resistance, adhesion, flexibility, high peel strength and excellent low temperature resistance, as well as excellent optical properties and weather resistance of polyacrylate, and is a kind of coating with excellent comprehensive performance. It has the advantages of advanced radiation curing materials, heat insulation and energy saving, and low thermal conductivity.

The invention relates to the technical field of ceramic preparation, in particular to a ceramic product with high cold resistance and high heat resistance and a preparation process thereof. The ceramic product comprises a blank body, a heat insulation layer and a glaze material, wherein the blank body is prepared from 42 parts of olivinite, 8 parts of sodium lignin sulfonate, 13 parts of quartz, 15 parts of clay, 26 parts of molybdenite, 15 parts of melting aids, 20 parts of spodumene, 13 parts of mullite, 11 parts of sodium feldspar and 9 parts of calcium metasilicate; the heat insulation layer is prepared from 22 parts of glass fiber powder, 15 parts of rock wool powder, 9 parts of sodium silicate and 3 parts of sodium hexametaphosphate; the glaze material is prepared from 23 parts of mullite, 35 parts of Kaolin, 15 parts of spodumene, 17 parts of potash feldspar and 7 parts of clay. The preparation process comprises the following steps of proportioning, blank pulling, biscuiting, heat insulation layer coating, glazing and firing. The ceramic product produced by the process has the advantages of high mechanical intensity and strong thermal shock resistant performance.

The invention belongs to the field of side slope and bank slope protection engineering, and discloses an anti-seepage and anti-freezing protection system for bank and side slopes of a reservoir in a cold region. The anti-seepage and anti-freezing protection system comprises a foundation embedded in the side slope. A gravel cushion layer, a composite anti-drainage plate and a Renault protection padare sequentially laid from inside to outside on the slope surface of the side slope from the foundation to a set height of the side slope, wherein the set height of the side slope is higher than a surge water level. The anti-seepage and anti-freezing protection system further comprises one-way drainage pipes, wherein the one-way drainage pipes comprise a bottom one-way drainage pipe and a top one-way drainage pipe. The water inlet section of the bottom one-way drainage pipe penetrates through the foundation and extends into the side slope. The water inlet section of the top one-way drainage pipe penetrates through the Renault protection pad, the composite anti-drainage plate and the gravel cushion layer sequentially and extends into the side slope. The invention further discloses a construction method of the anti-seepage and anti-freezing protection system for the bank and side slopes of the reservoir in the cold region. The anti-seepage and anti-freezing protection system is simple in structure, reliable in function, convenient to construct, long in service life, and capable of effectively preventing erosion damage and seepage damage to the bank and side slopes of the reservoir,greatly weakening freezing and thawing damage to the side slope, and ensuring long-term stability of the bank and side slopes of the reservoir.

The invention discloses a preparation method of bamboo fiber paper cups. The invention relates to a bamboo fiber paper cup and a production process thereof. The bamboo fiber paper cup mainly structurally comprises a hollow fiber cup body, and is characterized in that the cup body comprises an outer layer, an inner layer, a hollow layer arranged between the outer layer and the inner layer and a coating layer above the inner layer. The outer layer and the inner layer are prepared from the following components in parts by weight: bleached bamboo fibers, dahurian larch fibers, modified starch, chitosan, talc powder, a dispersant, guar gum, glyceride hydrolase and a wet-strength agent. The hollow layer is prepared from the following components in parts by weight: polypropylene hollow short fiber pulp, dahurian larch fibers, chitosan, talc powder and a dispersant. According to the above settings, the outer layer and the inner layer are produced by employing bamboo fibers. The bamboo fiber pulp not only is environment-friendly, but also has the characteristics of being excellent in antibacterial property, bacteriostatic and free of peculiar smells. The hollow fiber layer has the functionsof being light in weight, heat insulative and warm-keeping. The bamboo fiber paper cup serving as a hot drink paper cup and a cold drink paper cup simultaneously is relatively safe.

The invention discloses a light-weight foamed concrete building component and a production method thereof. The light-weight foamed concrete building component comprises the following materials in parts by weight: 100-300 parts of cement, 50-150 parts of water and 1-20 parts of a foaming agent. Buried steel bars are also arranged inside the light-weight foamed concrete building component. The production method of the light-weight foamed concrete building component comprises a chemical foaming production method and a physical foaming production method. The invention provides a novel building component for increasing the sectional area of the conventional building component, so that the construction difficulty can be effectively reduced, the gain of the gravity of a building and the influence on the gravity center of the building are greatly reduced, and the safety and the stability of a building main body structure are effectively guaranteed. Various building components can be produced according to demands for decoration of buildings and can be also manufactured in a factory in batches; in-site form erecting and pouring construction can be realized; the adaptability is high; the application range is wide; the light-weight foamed concrete building component has extremely high environment-friendly and social benefits and deserves to be widely popularized and applied.

The invention discloses a novel solar PV/T building integration curtain wall component and a multi-energy-complementary energy supplying system. The curtain wall component comprises a solar photovoltaic cell panel, a heat exchanging unit and a heat insulating layer which are attached to each other from outdoors to indoors. A load bearing framework is arranged in the heat insulating layer. The heatexchanging unit comprises a micro-heat-pipe array and a heat getting pipe; the micro-heat-pipe array internally comprises a plurality of communicated micro heat pipes arranged side by side and complementarily communicated, and is internally provided with phase change media, one surface of the micro-heat-pipe array is attached to a back board of the cell panel, and one end of the other side of themicro-heat-pipe array is attached to the heat getting pipe; the section, attached to the heat getting pipe, of the micro-heat-pipe array serves as a condensing section, and the other part of the micro-heat-pipe array serves as an evaporating section; fluid is arranged in the heat getting pipe, and one surface of the heat insulating layer is attached to the back faces of the heat getting pipe andthe evaporating section of the micro-heat-pipe array. The assembly has the heat-electricity joint supplying, heat insulation and loading bearing functions, directly serves as a building-outer-wall enclosing structure component, replaces a building outer wall, and has the advantages that the maintenance cost is reduced, the temperature of the cell panel is lowered, electricity generation efficiencyis improved, and the service life is prolonged.

The invention discloses a plastic lined composite tube, comprising a plastic inner tube and a metal outer tube; wherein a macromolecule elastic heat insulating layer is compounded between the plastic inner tube and the metal outer tube. The invention uses the scalability of the macromolecule elastic heat insulating layer between the plastic inner tube and the metal outer tube to solve the problems caused by the different linear swell factors of the plastic inner tube and the metal outer tube, and leads the matching between the plastic inner tube and the metal outer tube to be more stable. Meanwhile, the plastic lined composite tube also has the characteristics of good heat preservation and insulation as well as strong reliability.

The invention discloses a solar cell panel temperature adjusting and controlling device, belonging to the field of photovoltaic cell panel temperature control. The solar cell panel temperature adjusting and controlling device is characterized in that a phase change material box body is welded and connected with a device shell, and a tempered glass plate is placed at the upper port of the device shell; two long side faces of the device shell are welded with outside radiating ribs; and a solar cell panel base plate is welded with the phase change material box body, an inside needle rib is welded on the solar cell panel base plate, and a phase change material and a thermal diode material are respectively injected into the temperature adjusting and controlling device by forming a heat storage material injection hole and a thermal diode material injection hole. The solar cell panel temperature adjusting and controlling device disclosed by the invention has the advantages that the heat transfer characteristic of a phase change heat storage material is strengthened, and the overall heat conducting property of the device is enhanced, so that the heat dissipation effect of a solar cell panel working under a high temperature condition is achieved, the normal working temperature of the solar cell panel is maintained, the service life of the solar cell panel is prevented from being shortened due to over temperature and heat, the generating efficiency can not be lowered, the influence of a low-temperature environment on the solar cell panel and the tempered glass plate is weakened, and the frost crack is prevented.

The invention discloses a 950-DEG G grade heat-insulating high-temperature-resisting and wear-resisting coating which comprises components I and II, wherein the component I is a double component composition which is mixed by components A and B in a proportion of 1:1.5, and the component A in the component I comprises the following components: nano-montmorillonite silicate, a coupling agent and blocking function filler in a mass ratio of 1: 1: 1.5; the component B comprises the following components in parts by mass: 20-35 parts of black silicon carbide, 25-30 parts of fine crystal aluminum oxide, 5-10 parts of a dispersant, 1-5 parts of zinc oxide, 10-15 parts of modified epoxy resin and 2-6 parts of a delustering agent; the component II comprises the following components in parts by mass: 2-6 parts of a delustering agent, 2-6 parts of a wetting agent, 20-50 parts of a curing agent, 5-10 parts of a thickening agent, 5-10 parts of hydroxyethyl cellulose, 1-5 parts of a pH adjustor, 50-60 parts of organosilicone modified epoxy resin, 20-30 parts of filler, 5-10 parts of antimonous oxide and 5-10 parts of a coalescing agent. The invention further designs a preparation method of the 950-DEG G grade heat-insulating high-temperature-resisting and wear-resisting coating.

The invention relates to a vehicle protective cover that includes face plate, where plural pivots are distributed, plural elastic tapes are on the brim of the plate, and hooks are installed on the end of the tapes. The feature is that the pivots connect to face plate through support that is inserted into sucking disc, which is fixed on the surface of vehicle. The advantages of the invention are that it has sun shading and dust preventing effect and also has theft-proof effect.